Alexander Lockard of Chili, NY, 1840's?

Seeking any info on my paternal gg/father, Alexander Lockard (1814-1811), who married Sarah Williamson(1819-1896). The info I have is very sketchy: they may have married in Ireland, maybe in the 1840's; they moved to Chili, NY, south of Rochester in western New York. They had five daughters who survived childhood. Amanda Lockard (b. 1855) married Stephen Norton (b. 1850), my father's father. I have been seraching for info for some time and have stumbled on this impressive forum. Looking forward to correspondence with some knowledgeable person. Homer Norton